Hello, i am from SantarÃ©m, Portugal. I am trying to rearing queens, and so I have two hive with about 20 cells queen. In hive A I have graft 20 eggs (obviously with 1, 2 or 3 days). And in hive B I have graft some larvae with 4 days (right after egg). In every information about "rearing queens" I have read, almost all said that grafting could only be possible with larvae state (with 4 days) and not an egg!
Why can we graft an egg?
Sorry 'bout my english :(